AWS
AWS stands for Amazon Web Services.
AWS is a service that allows you to use the server resources of Amazon, a company known for its online shopping, on a pay-as-you-go basis.
https://docs.aws.amazon.com/whitepapers/latest/aws-overview/introduction.html
AWS Lightsails
Regular AWS services are charged on a pay-as-you-go basis. AWS Lightsails is one of the AWS services that allows you to use AWS for a fixed monthly fee.
https://aws.amazon.com/lightsail
Google Cloud
Google Cloud is a service that allows you to use the server resources of Google, the company known for its search engine.
https://cloud.google.com/docs/overview
Azure
Azure is a cloud server service provided by Microsoft.